CN103986946A - Child-lock control method for network television - Google Patents
Child-lock control method for network television Download PDFInfo
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- CN103986946A CN103986946A CN201410247679.4A CN201410247679A CN103986946A CN 103986946 A CN103986946 A CN 103986946A CN 201410247679 A CN201410247679 A CN 201410247679A CN 103986946 A CN103986946 A CN 103986946A
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Abstract
The invention relates to a child-lock control method for a network television. The child-lock control method for the network television comprises the following steps: acquiring an optical image by virtue of an optical image acquisition module, and processing the optical image by virtue of an image preprocessing module; identifying the identity of a user watching a program by virtue of a face identification module and then judging the authorization of watching authority of the user, directly or continuously playing if the watching authority of the user meets a watching grade of the requested or watched program, otherwise stopping playing or interrupting playing and popping up a prompting message. The child-lock control method for the network television can be completely transparent for a user, the operation is easy and safe, and a child lock can not be unlocked by puzzling out a password; meanwhile, the user experience is greatly improved.
Description
Technical field
The present invention relates to electronic technology field and the communications field, relate in particular to a kind of child lock control method of the Web TV based on face recognition technology.
Background technology
Existing functions of child lock mostly is television set or the incidental function of EPG (Chinese of EPG is interpreted as electric program menu), generally to use virgin lock cipher to carry out authentication, on television set or EPG, preserve the enciphered information of channel or program, in the time that user is switched to the channel that locks or program request and locks program, eject password confirming window, as do not provide correct password cannot cut this channel or play this program.
But, when this virgin lock cipher is watched channel or program at authorized user (as the head of a family), need to confirm continually password, thereby bring unnecessary trouble, impact is watched, amusement; And unauthorized user (as children) also has the possibility of guesing out password and cause virgin lock protection to be performed practically no function.
Summary of the invention
The object of the invention is to overcome defect and the deficiency of existing child lock control method, a kind of child lock control method of the Web TV based on face recognition technology is provided, this kind of method transparence completely for user, easy-to-use, safety, cannot get around virgin lock by guesing out password, and improve greatly user's experience.
In order to achieve the above object, the invention provides a kind of child lock control method of Web TV, this child lock control method comprises the following steps:
Optical imagery acquisition module in A1, Set Top Box gathers the optical imagery in viewing areas in real time, and described optical imagery is passed to image pretreatment module;
The optical imagery that A2, described image pretreatment module collect described optical imagery acquisition module in real time carries out denoising, strengthens, cuts apart, feature extraction operation, and detect, orient facial image, the face characteristic information finally extraction being obtained is passed to face recognition module;
Image pretreatment module is extracted to the face characteristic information that obtains for A3, described face recognition module and pre-stored face characteristic information in customer data base is compared, identify in real time the current user identity of watching program, by user identity and request is watched or the channel watched is sent to electronic program menu system, then will watch authority or rule to authorize judgement according to default user by electronic program menu system;
If A4 user's the authority of watching meets view level requested or program that watching, direct or continuation is play; Otherwise will not play or interrupt to play, and eject prompting message.
According to one embodiment of present invention, described method also comprises the frame of same user's continued presence in the image sequence photographing by detection, calculates this user and watch continuously the duration of TV.
According to one embodiment of present invention, if when described user watches the duration of TV to exceed default threshold value continuously, reminding user is suitably had a rest.
The present invention, with respect to prior art, has following beneficial effect:
(1) child lock control method of Web TV provided by the invention is more intelligent, has realized the virgin lock control without password, and can realize the function that the virgin lock of conventional password cannot be realized, and has reduced the unnecessary trouble of frequent confirmation password;
(2) adopt the child lock control method of Web TV of the present invention can improve widely children and watch the fail safe of TV programme, improve user's experience;
(3) child lock control method of Web TV of the present invention transparence completely with respect to user; easy-to-use, safety, is difficult to get around virgin lock by deception form; avoid the common virgin limitation of locking of password, once shielded children were lost efficacy after guesing out password.
Brief description of the drawings
Fig. 1 is the theory diagram of the embodiment of the present invention;
Fig. 2 is the flow chart of the child lock control method of Web TV of the present invention;
Fig. 3 is embodiment of the present invention customer data base chart.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As shown in Figure 1, for the theory diagram of a kind of Web TV with functions of child lock of the embodiment of the present invention, this Web TV comprises the electronic program menu system that has face optical imagery harvester top box and intercom mutually with described Set Top Box, wherein, electronic program menu system comprises for child and locks the electric program menu of setting, face recognition module and virgin lock control module for recognition of face.
In the embodiment of the present invention, Set Top Box can be that top box of digital machine can be also network machine top box, and it comprises optical imagery acquisition module and image pretreatment module.Wherein, optical imagery acquisition module is connected with image pretreatment module.
In the embodiment of the present invention, this optical imagery acquisition module comprises camera, imageing sensor, and camera has webcam driver device corresponding thereto.Camera can be fixed in Set Top Box, can be also the independent camera separating with Set Top Box body, according to user's hobby and judgment means in position suitable, that be convenient to take object in viewing areas.Wherein imageing sensor can be ccd sensor or cmos sensor, gathers the image of visible light wave range.Webcam driver need be included in the drive software of Set Top Box, and operating state and the running parameter of camera can be set by user, the sample frequency during as collection facial image.Optical imagery acquisition module gathers the optical imagery in viewing areas in real time with certain sample frequency, and this image has comprised the current just all beholders in this region, and is passed to image pretreatment module.
Image pretreatment module in the embodiment of the present invention comprises first processor and first memory, and this first processor is the chip that can carry out optical imagery preliminary treatment computing, and this first memory is corresponding fast storage.The image that image pretreatment module collects optical imagery acquisition module in real time carries out denoising, strengthens, cuts apart, feature extraction operation, detect, orient facial image, and the face characteristic information that extraction is obtained is passed to the face recognition module in electronic program menu system.
In the embodiment of the present invention, face recognition module comprises the second processor and second memory (being user's face characteristic information storehouse).The second processor is the chip that can carry out recognition of face computing; Second memory (user's face characteristic information storehouse) has been stored the user's face characteristic information storehouse in order to compare.The face characteristic information that face recognition module extracts image pretreatment module in the face characteristic information that obtains and pre-stored user's face characteristic information storehouse is compared, identify in real time the current user identity (user name) of watching program, user identity (user name) and the channel watched of request or program request are sent to electronic program menu system via communicating by letter between Set Top Box and electronic program menu system, follow-up the mandate of watching authority/rule to carry out next step according to default user by electronic program menu system are judged.
In the embodiment of the present invention, electric program menu comprises that virgin lock arranges the page, customer data base and the program database that locks, wherein, virgin lock arranges the presentation layer of the page in electronic program menu system, by and be presented on the interactive interface of user terminal (Set Top Box), carry out every setting of virgin lock for user, comprise that (1) guides user in the time of first use sets up all users' user name and gather all users (as all kinsfolks') facial image, user name and facial image are set up to corresponding relation, to set up and initialization customer data base, (2) in use also can the page be set via entering, again gather user's facial image or Add User to upgrade customer data base, what define each user watches authority/watch rule, (within all periods, all have the authority of watching of all channels/programs if not limited, be applicable to the head of a family), part is limited (only has the authority of watching of part period or partial channel/program, be applicable to children, wherein watch rule to be set up by multiple condition), completely limited (all not thering is the authority of watching of all channels/programs at arbitrary period), as shown in Figure 3, (3) definition channels/programs view level/rule locks, as annual age, unsuitable for children, children need to have the head of a family to accompany to watch etc., can define for channel, or define for specific program, also may be defined as sometime in section certain/a little channels.
The application service layer of customer data base in embodiments of the invention in electronic program menu system, the user name that has comprised all users, face characteristic information, watches authority.When Set Top Box starts, watching the user's of program face characteristic information or user name to be submitted to electronic program menu system, electronic program menu system is by the every user data in comparison customer data base, confirm active user's identity information and watch authority, then proceeding to next step mandate judgement.In customer data base, needing is that the user of typing facial image does not set up default user uniformly, and default user's authority can be set by high System Privileges user (head of a family).
The program database that locks in the embodiment of the present invention is also the application service layer in electronic program menu system, the view level/enciphered information that has comprised user-defined all programs.The regular foundation that locks can be (as 9:00A.M.～18:00P.M) on a time period, also can be by channel (as specific some or several channels), also can be on a time period with by the logic intersecting and merging relation of channel (as the some or several channels in this time period of 9:00A.M.～18:00P.M), even can screen the SI information (information on services) of program, for example all R level or NC-17 level (according to the grade separation of Motion Picture Association of America's standard) or all programs that are categorized as horror film of being classified as.In program database, all channels/programs that do not locked are defined as annual age arbitrary period and all can watch.
Virgin lock control module in the embodiment of the present invention and face recognition module are co-located on the system business logical layer of electronic program menu system, the current programme information of the user profile of program, requested broadcasting of watching is all so far submitted, electronic program menu system is by reading active user's the authority of watching, compare the view level of the program of requested broadcasting, judge whether to play this program to user, if user's the authority of watching meets the view level of requested program, play-over, otherwise will not play and eject prompting message.Meanwhile, also can process following situation, enter viewing areas as: children under the head of a family accompanies watch program, children midway at head of a family's broadcast program.
In the time using Set Top Box for the first time, login electronic program menu system first, through the interactive interface of Set Top Box, at child's lock, progressively foundation and the initialization of guides user completing user database, the program database that locks on the page is set, concrete steps are as follows:
One, set up also initialization customer data base:
1) set up head of a family user, first arrange under the guidance of the page at child's lock, set up head of a family user's user name (under head of a family's user gradation, can have multiple user names, respectively each the adult head of a family in corresponding family).The user of parental level has the highest administrator right, can carry out all children and lock setting, defines and revises user and watch authority and program viewing grade.Head of a family user's acquiescence has the highest authority of watching, and section is watched arbitrary channel/program at any time.Setting up after head of a family's user name, the typing head of a family's facial image, suggestion is multiple image (as 5 width pictures) under different angles, different distance are taken, to improve the accuracy of recognition of face, confirm user name and facial image, complete head of a family user's foundation.
2) set up domestic consumer, child user for other members of family one by one, method is for first setting up user name under affiliated grade, then typing facial image has also been confirmed.Domestic consumer, child user do not have administrator right, can not revise user and watch authority and program viewing grade.Domestic consumer's acquiescence at any time section is watched arbitrary channel/program, and child user acquiescence only can be watched G level program or under the head of a family accompanies, be watched PG level program (according to the grade separation of Motion Picture Association of America's standard).
3) system is set up a default user automatically, default user is defined as the user (as the interim guest of family of coming) of all not typing facial images, and all users that do not inquire corresponding information in the head of a family, common, children's class user will be registered as default user.Default user does not have administrator right, can not revise user and watch authority and program viewing grade, and acquiescence at any time section is watched arbitrary channel/program, is exactly a conventional setting as shown in Figure 3.
In use procedure after this, user also can arrange the page via entering, and again gathers user's facial image or Adds User to upgrade customer data base, and that adjusts, revises each user watches authority/watch rule.Lock in the user list interface of setting child, can set for each user gradation (as the head of a family, common, children's grade), or one by one separately each user name be watched to authority setting.Watch authority/rule can be as given a definition: not limitedly (within all periods, all to have the authority of watching of all channels/programs, be applicable to the head of a family), part is limited (only has the authority of watching of part-time section or partial channel/program, be applicable to children, wherein watch rule to be set up by multiple logical condition, as only watched G level program or watch PG level program under the head of a family accompanies), completely limited (all not thering is the authority of watching of all channels/programs at arbitrary period).
Two, set up and the initialization program database that locks:
Lock and in the setting of the programs interface that locks of setting, adjust the rule that locks child.The regular foundation that locks can be to lock according to the time period (as 9:00A.M.～18:00P.M), or lock by channel (as specific some or several channels), or lock for specific program, also may be defined as sometime in section certain/a little channels.Even can be according to keyword search or classifying system, SI information (information on services) to program is screened, as the grade separation with reference to Motion Picture Association of America's standard (as G, PG, PG-13, R, NC-17 etc.) or program classification etc. screen and lock SI information.All channels/programs that do not locked are defined as annual age arbitrary period and all can watch.In addition, user can arrange the sample frequency of optical imagery in camera shooting viewing areas.Sample frequency is higher, and the load of Web TV is larger, but more can detect continuously the current user who is watching; Sample frequency is lower, and the load of Web TV is little, but the interval of detecting user becomes large, may miss children and enter suddenly the moment of viewing areas midway.
The child lock control method of Web TV is described according to specific embodiment below, and first in the time watching television channel/program, the workflow of Web TV with functions of child lock is as follows:
As shown in Figure 2, in Set Top Box startup and the course of work (user continues to watch or just opened in the process of program), workflow of the present invention is:
1) the optical imagery acquisition module in Set Top Box gathers the optical imagery (this image has comprised the current just all beholders in this region) in viewing areas in real time with certain sample frequency, and is passed to image pretreatment module;
2) image that the image pretreatment module in Set Top Box collects optical imagery acquisition module in real time carries out denoising, strengthens, cuts apart, feature extraction operation, detect, orient facial image, and the face characteristic information that extraction is obtained is passed to face recognition module;
3) face characteristic information that the face recognition module in Set Top Box extracts image pretreatment module in the face characteristic information that obtains and pre-stored customer data base is compared, identify in real time the current user identity (user name) of watching program, watch the channel of (or watching) or program request to be sent to electronic program menu system via communicating by letter between Set Top Box and electronic program menu system user identity (user name) and request, follow-up the mandate of watching authority/rule to carry out next step according to default user by electronic program menu system is judged,
4) current user profile (user name) of watching program, the programme information of requested broadcasting (or watching) is all submitted to the virgin lock control module of electronic program menu system, electronic program menu system is by reading active user's the authority of watching, compare the view level of the program of requested broadcasting (or watching), judge whether to play this program (or whether active user has enough authorities to continue to watch the current program of playing) to user: if user's the authority of watching meets the view level of the program of requested (or watching), directly (or continuation) plays, otherwise will not play (or interrupting playing) and eject prompting message.Meanwhile, this step also can be processed following situation, enters viewing areas as: children under the head of a family accompanies watch program, children midway at head of a family's broadcast program.
In the embodiment of the present invention, this Set Top Box and electronic program menu system can also be realized following functions: by detecting the frame of same user's continued presence in taken image sequence, can calculate the duration that a certain user watches TV continuously, in the time that the duration of watching continuously exceedes default threshold value, by display reminding information on phone picture, send the mode such as buzzing or voice message, vibration remote controller (needing remote controller to have vibrating motor), reminding user is suitably had a rest.
When viewing areas illumination deficiency or personage is blocked by other objects or personage's posture is improper, so that cannot correctly identify personage's identity from captured image time, the user that can not identify can be processed according to the authority of watching of children's grade, or by parental level user on behalf of identity verification, or combining cipher carries out authentication.
In sum, the Web TV with functions of child lock provided by the invention is more intelligent, has realized the virgin lock control without password, and can realize the function that the virgin lock of conventional password cannot be realized, and has reduced the unnecessary trouble of frequent confirmation password; Improve widely children and watched the fail safe of TV programme, improved user's experience simultaneously; And adopt virgin lock that the page is set, and be presented on the interactive interface of user terminal (Set Top Box), every setting of carrying out virgin lock for user, is used convenient; This virgin lock control mode transparence completely with respect to user, easy-to-use, safety, is difficult to get around virgin lock by deception form, has avoided the limitation of the common virgin lock of password, once shielded children were lost efficacy after guesing out password.
Above-described embodiment is preferably execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not run counter to change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (3)
1. a child lock control method for Web TV, is characterized in that, described child lock control method comprises the following steps:
Optical imagery acquisition module in A1, Set Top Box gathers the optical imagery in viewing areas in real time, and described optical imagery is passed to image pretreatment module;
The optical imagery that A2, described image pretreatment module collect described optical imagery acquisition module in real time carries out denoising, strengthens, cuts apart, feature extraction operation, and detect, orient facial image, the face characteristic information finally extraction being obtained is passed to face recognition module;
Image pretreatment module is extracted to the face characteristic information that obtains for A3, described face recognition module and pre-stored face characteristic information in customer data base is compared, identify in real time the current user identity of watching program, by user identity and request is watched or the channel watched is sent to electronic program menu system, then will watch authority or rule to authorize judgement according to default user by electronic program menu system;
If A4 user's the authority of watching meets view level requested or program that watching, direct or continuation is play; Otherwise will not play or interrupt to play, and eject prompting message.
2. child lock control method according to claim 1, is characterized in that, described method also comprises the frame of same user's continued presence in the image sequence photographing by detection, calculates this user and watch continuously the duration of TV.
3. child lock control method according to claim 2, is characterized in that, if when described user watches the duration of TV to exceed default threshold value continuously, reminding user is suitably had a rest.
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| CN113495976A (en) * | 2020-04-03 | 2021-10-12 | 百度在线网络技术（北京）有限公司 | Content display method, device, equipment and storage medium |
| CN113495976B (en) * | 2020-04-03 | 2024-07-26 | 百度在线网络技术（北京）有限公司 | Content display method, device, equipment and storage medium |
| CN111597532A (en) * | 2020-04-10 | 2020-08-28 | 云知声智能科技股份有限公司 | Method and system for realizing child robot child lock system based on face recognition |
| CN111597532B (en) * | 2020-04-10 | 2023-11-17 | 云知声智能科技股份有限公司 | Method and system for realizing child lock system of child robot based on face recognition |
| CN112004152A (en) * | 2020-08-26 | 2020-11-27 | 深圳创维－Rgb电子有限公司 | Program playing control method, device, terminal and medium based on face recognition |
| CN112153438A (en) * | 2020-09-22 | 2020-12-29 | 康佳集团股份有限公司 | Intelligent television control method based on ultrasonic waves, intelligent television and storage medium |
| CN112653926A (en) * | 2020-12-15 | 2021-04-13 | 武汉市烽视威科技有限公司 | Television channel playing control method and device |
| CN113395535A (en) * | 2021-06-15 | 2021-09-14 | 北京沃东天骏信息技术有限公司 | Live broadcast processing method, device and system, storage medium and electronic equipment |
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